Base | Representation |
---|---|
bin | 1000010000110… |
… | …01100110011000 |
3 | 11211102100122100 |
4 | 10020121212120 |
5 | 120220421442 |
6 | 10513323400 |
7 | 1501063341 |
oct | 410314630 |
9 | 154370570 |
10 | 69310872 |
11 | 36140314 |
12 | 1b266560 |
13 | 11489c67 |
14 | 92c30c8 |
15 | 614184c |
hex | 4219998 |
69310872 has 48 divisors (see below), whose sum is σ = 190302840. Its totient is φ = 22785408.
The previous prime is 69310867. The next prime is 69310907. The reversal of 69310872 is 27801396.
It is a Harshad number since it is a multiple of its sum of digits (36).
It is a congruent number.
It is an unprimeable number.
It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1338 + ... + 11849.
Almost surely, 269310872 is an apocalyptic number.
It is an amenable number.
It is a practical number, because each smaller number is the sum of distinct divisors of 69310872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (95151420).
69310872 is an abundant number, since it is smaller than the sum of its proper divisors (120991968).
It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.
69310872 is a wasteful number, since it uses less digits than its factorization.
69310872 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 13272 (or 13265 counting only the distinct ones).
The product of its (nonzero) digits is 18144, while the sum is 36.
The square root of 69310872 is about 8325.3151291708. The cubic root of 69310872 is about 410.7716421963.
The spelling of 69310872 in words is "sixty-nine million, three hundred ten thousand, eight hundred seventy-two".
• e-mail: info -at- numbersaplenty.com • Privacy notice • done in 0.064 sec. • engine limits •